Switches the download source for all Eclipse archives to eclipse.org #484

Job	Run time
create-splash-image	7s
collect-github-api-artifacts	8s
build-linux-user-ci	9m 47s
build-linux-dev-ci	20m 44s
build-linux-user	12m 30s
build-linux-dev	11m 56s
build-linux-dev-hipe	22m 19s
build-macos-arm-user	19m 54s
build-macos-dev	12m 30s
build-macos-dev-hipe	19m 1s
build-macos-user	14m 45s
build-windows-dev-hipe	11m 40s
build-macos-arm-dev-hipe	24m 28s
build-macos-arm-dev	17m 10s
build-windows-dev	12m 42s
build-windows-user	13m 38s
create-release	0s
	3h 43m 19s

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